Wireless communication
Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor.The most common wireless technologies use radio. With radio waves dis...
Wireless communication - Wikipedia
Tesla's Dream of Wireless Energy coming True: Scientists create a high-efficiency wireless power system
The revolutionary new technology brings is one step closer to the dream of Nikola Tesla and worldwide access to free wireless electricity Tesla was a creator, a scientific genius and an innovator. Amo...
Russian Scientists Raising Funds To Rebuild Tesla Tower, Satisfy World Energy Hunger!
June 30, 2015 - If only Nikola Tesla (inventor of AC or alternating current that is used world-wide, the fluorescent tube that we use to this day ) were alive to see this now; a group of Russian physi...
Wireless Electric Power Successfully Transmitted In Japan
The Japan Aerospace Exploration Agency (JAXA) reports that researchers in the country have successfully transmit wireless electric power to a pinpoint target located 55 meters away. In the experime...
'Superlens' extends range of wireless power transfer
Researchers have for the first time demonstrated the feasibility of wireless power transfer using low-frequency magnetic fields over distances much larger than the size of the transmitter and receiver...
Ambient backscatter: Free energy harvesting from TV signals, to power a ubiquitous internet of things
Researchers have created a new method of wireless networking that allows devices to communicate with each other without batteries or their own source of power...
Photophone
The photophone (later given the alternate name radiophone) is a telecommunications device which allowed for the transmission of speech on a beam of light. It was invented jointly by Alexander Graham B...
Photophone - Wikipedia
Wireless telegraphy
Wireless telegraphy is the transmission of electric telegraphy signals without wires (wirelessly). It is now used as a historical term for early radio telegraphy systems which communicated with radio ...
Wireless telegraphy - Wikipedia
Invention of radio
Many people were involved in the invention of radio in its current form. Experimental work on the connection between electricity and magnetism began around 1820 with the work of Hans Christian Ørsted,...
Invention of radio - Wikipedia
Spectrum management
Spectrum management is the process of regulating the use of radio frequencies to promote efficient use and gain a net social benefit.The term radio spectrum typically refers to the full frequency rang...
Spectrum management - Wikipedia
Wireless power
Wireless power transfer (WPT) or wireless energy transmission is the transmission of electrical power from a power source to a consuming device without using solid wires or conductors. It is a gener...
Wireless power - Wikipedia
Tesla's Dream of Wireless Energy coming True: Scientists create a high-efficiency wireless power system
The revolutionary new technology brings is one step closer to the dream of Nikola Tesla and worldwide access to free wireless electricity Tesla was a creator, a scientific genius and an innovator. Amo...
Coupling (electronics)
In electronics and telecommunication, coupling is the desirable or undesirable transfer of energy from one medium, such as a metallic wire or an optical fiber, to another medium, including fortuitous ...
Coupling (electronics) - Wikipedia
Ambient backscatter: Free energy harvesting from TV signals, to power a ubiquitous internet of things
Researchers have created a new method of wireless networking that allows devices to communicate with each other without batteries or their own source of power...
Inductive coupling
In electrical engineering, two conductors are referred to as mutual-inductively coupled or magnetically coupled when they are configured such that change in current through one wire induces a voltage...
World Wireless System
The World Wireless System was a turn of the 19th century proposed communication and electrical power delivery system designed by the inventor Nikola Tesla based on his theories of using the Earth and/...
World Wireless System - Wikipedia
Electrodynamic induction
Resonant inductive coupling or electrodynamic induction is the near field wireless transmission of electrical energy between two magnetically coupled coils that are part of resonant circuits tuned to ...
Electrodynamic induction - Wikipedia
Capacitive coupling
In electronics, capacitive coupling is the transfer of energy within an electrical network by means of the capacitance between circuit nodes. This coupling can have an intentional or accidental effect...
Capacitive coupling - Wikipedia
Single-wire transmission line
A single-wire transmission line (or single wire method) is a method of transmitting electrical power or signals using only a single electrical conductor. This is in contrast to the usual use of a pair...
Frequency allocation
Use of radio frequency bands of the electromagnetic spectrum is regulated by governments in most countries, in a Spectrum management process known as frequency allocation or spectrum allocation. Radi...
Frequency allocation - Wikipedia